509 Madera Dr, San Mateo, CA 94403 Property Records

San Mateo County property record for 509 Madera Dr, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,180 sqft · built 1947
Lot Size	0.169 acres (7,379 sqft)
Owner	2 Company Names on File
Last Sale	$2,600,000 (Aug 2025)
Tax Bill	$24,680 (2025)
Deeds & Mortgages	Dec 2025 Mortgage Nov 2019 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-102-050`

Property Details

APN / Parcel Number

Primary APN	`039-102-050`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,180 sqft Living Area
1st Floor Area	1,670 sqft
Family Room	Family Room

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Lot Area	7,379 sqft (0.169 acres)
Lot Dimensions	122 ft deep x 60 ft wide
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	509 MADERA DR
City	SAN MATEO
State	CA
Zip	94403-1237
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 22 BLOCK 2 MAYWOOD RSM 24/50
Legal Subdivision	MAYWOOD
Legal Block	2
Legal Lot Number	22
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2001
Census Tract	606700

Owner

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Company Names on File
Mailing Address	509 MADERA DR, SAN MATEO, CA 94403-1237
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 17, 2025	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Nov 15, 2019	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jun 11, 2019	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Jun 11, 2019	Intrafamily Transfer, Transfer · Line of Credit FARMERS INSURANCE GROUP FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 15, 2025 · Amount on File
Deed Sale	Aug 15, 2025 · Amount on File
Prior Sale	Nov 15, 2019 · Amount on File
Deed Document Number	202541953
Prior Transfer Date	May 24, 2019
Prior Transfer Doc	0000044351
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	509 MADERA DR, SAN MATEO, CA 94403-1237
Transaction Type	Mortgage
Record Updated	Jan 14, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 MADERA DR, SAN MATEO, CA 94403-1237

Mortgage

Document Number	0000069096
Date	Dec 17, 2025
Instrument	2025-069096

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.65%
Type Change Date	Jan 1, 2033
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.6%
Index	SOFR Average 30-Day
Margin	3
Max Rate	10.6%

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 15, 2019
Property Address	509 MADERA DR, SAN MATEO, CA 94403-1237
Document Number	0000096559
Map Reference	MB 24 PG 50
Instrument Date	Nov 13, 2019
Instrument	2019-096559
Transaction Type	Transfer
Record Updated	Aug 5, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$10,851.90
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	509 MADERA DR, SAN MATEO, CA 94403-1237

Mortgage

Document Number	0000096562
Date	Nov 15, 2019
Instrument	2019-096562

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2049

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 11, 2019
Property Address	509 MADERA DR, SAN MATEO, CA 94403-1237
Document Number	0000044353
Instrument Date	Jun 4, 2019
Instrument	44353
Transaction Type	Transfer
Record Updated	Jul 8, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	509 MADERA DR SAN MATEO CA 944031237, SAN MATEO, CA 94403-1237

June 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jun 11, 2019
Property Address	509 MADERA DR, SAN MATEO, CA 94403-1237
Document Number	0000044351
Map Reference	MB 24 PG 50
Instrument Date	May 24, 2019
Instrument	2019-044351
Transaction Type	Transfer
Record Updated	Aug 5, 2022
Title Company	FIRST AMERICAN TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	509 MADERA DR, SAN MATEO, CA 94403-1237

Mortgage

Document Number	0000044352
Date	Jun 11, 2019
Instrument	2019-044352

Lender

Name	FARMERS INSURANCE GROUP FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	299 Months
Due	May 23, 2044

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Mateo City
Elementary School District	San Mateo-Foster City Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,600,000 (+33.64%) Land $1,550,000 Building $1,050,000
2025	$24,680.00 (+5.31%)	$1,945,591 (+4.04%) Land $1,203,008 Building $742,583
2023	$23,435.00 (-0.85%)	$1,870,044 Land $1,156,295 Building $713,749	$2,438,820
2022	$23,637.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1979)
Most Recent Claim	Apr 1979 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 374 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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